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Finding the Fourth Proportional to 606,555.68, 909,630.20 and 201,654.50

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Solution

The fourth proportional to 606,555.68, 909,630.20 and 201,654.50 is: 302,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,555.68 : 909,630.20 = 201,654.50 : x
  2. Step 2: Convert to fraction form
    606,555.68/909,630.20 = 201,654.50/x
  3. Step 3: Cross multiply
    606,555.68x = 909,630.20 × 201,654.50
  4. Step 4: Simplify right side
    606,555.68x = 183,431,019,121.89
  5. Step 5: Solve for x
    x = 183,431,019,121.89/606,555.68
  6. Step 6: Final answer
    x = 302,414.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.